package cn.nnb.biz;

import cn.nnb.dao.OrderDao;

public class StatisticsBiz {

	/**
	 * tong ji wan cheng de ding dan
	 * 
	 * @return
	 */
	public int getCompletedOrderAmount() {
		return OrderDao.getInstence().getCompletedOrderAmount();
	}

}
